#warpBg{
    /*游戏背景*/
    width: 343px;height: 480px;
    margin: 0 auto;
    background:url("../img/bg_day.png");
    position: relative;
    top: 100px;
    overflow: hidden;
}

#headTitle{
    /*开始标题*/
    width:236px;height:77px;
    background-image: url("../img/text_ready.png");
    background-repeat:no-repeat ;
    position: absolute;left:53px;top: 100px;
}

#headBird{
    /*开始界面的小鸟*/
    float: right;
    /*margin-top: 0px;*/
}

#startBtn{
    /*开始按钮*/
    width: 85px;
    height: 45px;
    padding: 0;margin:0;
    background: url("../img/button_play.png") no-repeat ;
    position: absolute;left: 129px;top:250px;
    background-size:cover;
    border: none;
}

#grassLand1{
    /*草地1*/
    height: 14px;width: 350px;
    background-image: url("../img/land.png");
    position: absolute;
    top: 423px;
}

#grassLand2{
    /*草地2*/
    height:14px;width:350px;
    background-image: url("../img/land.png");
    position: absolute;top:423px;left: 343px;
}
